SUBBASES is a playable word

subbase Scrabble® Dictionary

noun
pl. subbases
the lowest part of a base
63 Playable Words can be made from "SUBBASES"
   2-Letter Words (7 found)
   3-Letter Words (18 found)
   4-Letter Words (19 found)
   5-Letter Words (11 found)
   6-Letter Words (5 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)